Province data
1537 –1540
1541 –1544
1545 –1559
1545
Second Kawachi Incident — Recovery of Kawachi
Imagawa Yoshimoto allied with Takeda Harunobu and invaded the Kawachi region controlled by Hōjō Ujiyasu. After capturing Yoshiwara and establishing positions at Senbon-matsu and Okamiya, Kawachi came under Imagawa control.
1545 map — the year of Second Kawachi Incident — Recovery of Kawachi1553
Month 2Promulgation of Kana Mokuroku Addendum
Imagawa Yoshimoto promulgated twenty-one additional articles and litigation rules supplementing his father Ujichika's Kana Mokuroku, establishing the legal foundation for domain governance.
1553 map — the year of Promulgation of Kana Mokuroku Addendum1554
Kai-Sagami-Suruga Alliance Is Formed
The Takeda, Hōjō, and Imagawa established an alliance through marriages among their children.
1554 map — the year of Kai-Sagami-Suruga Alliance Is FormedKato Peace and Three-Way Alliance
Hōjō Ujiyasu, Takeda Harunobu, and Imagawa Yoshimoto settled their dispute over the Kato through intermarriage and established the Kō-Sō-Sen (Takeda-Hōjō-Imagawa) Tripartite Alliance. The marriages of Lady Hayakawa and the Yellow Plum Abbess bound the three families' heirs.
1554 map — the year of Kato Peace and Three-Way Alliance1560 –1568
1560
Ujisada's Succession and Domain Instability
Following Imagawa Yoshimoto's death in battle, Ujisada succeeded to the leadership of the Imagawa clan. However, beginning with Matsudaira Motoyasu's defection, the domain began to show progressive instability.
1560 map — the year of Ujisada's Succession and Domain Instability1568
Takeda Shingen Invades Suruga
Takeda Shingen invaded Imagawa Ujizane's province of Suruga and occupied Sunpu. The Later Hōjō, bound to the Imagawa by marriage, broke with the Takeda, bringing the tripartite alliance to an end.
1568 map — the year of Takeda Shingen Invades SurugaFighting around Ōmiya Castle
Fuji Nobutada resisted Takeda attacks at Ōmiya Castle. While there were apparently multiple attacks, public records confirm only the period of Eiroku 11-12, with individual dates remaining unknown.
1568 map — the year of Fighting around Ōmiya Castle1569
Month 11Takeda forces besiege Fukasawa Castle
The Takeda army laid siege to Fukasawa Castle, a strategic strongpoint connecting Suruga, Sagami, and Kai, which surrendered in the first month of Genki 1 the following year.
1569 map — the year of Takeda forces besiege Fukasawa Castle1570 –1572
1573 –1580
1581
1582
Month 3Tokugawa Ieyasu Receives Suruga Province
After the fall of the Takeda, Oda Nobunaga granted Suruga Province to Tokugawa Ieyasu, making him lord of Suruga as well as Mikawa and Tōtōmi.
1582 map — the year of Tokugawa Ieyasu Receives Suruga Province1583
1584
1585
Ieyasu Begins Building Sunpu Castle
Tokugawa Ieyasu began construction of Sunpu Castle. He was transferred to the Kantō in 1590, after which Nakamura Kazuuji became lord of the castle.
1585 map — the year of Ieyasu Begins Building Sunpu Castle1586
1587
1588
1589
1590
1591 –1597
中村一氏
豊臣氏1598 –1599
中村一氏
豊臣氏1600
1601 –1602
1603 –1616
1606
Tokugawa Ieyasu Designates Sunpu as Center of Retired Government
Tokugawa Ieyasu, who had transferred the shogunate to Hidetada and become ōgosho, decided to make Sunpu the base for his retired government. The actual construction began the following year.
1606 map — the year of Tokugawa Ieyasu Designates Sunpu as Center of Retired Government1607
5/23Great Construction of Sunpu Castle Begins
A major reconstruction of Sunpu Castle began with daimyo mobilized from across Japan to create the base of Tokugawa Ieyasu's retired-shogun government.
1607 map — the year of Great Construction of Sunpu Castle BeginsOpening of the Fuji River Waterway
At Ieyasu's command, Kyoto merchant Sumizuoka Ryōi undertook dredging and engineering work on the Fuji River, opening a waterway linking the Kōshin region with Suruga and Edo. This secured transportation routes for tax rice, salt, and other goods.
1607 map — the year of Opening of the Fuji River Waterway1608
Sunpu Castle Keep Is Topped Out
During the reconstruction of Sunpu Castle after the previous year's fire, the Honmaru palace was rebuilt and the castle keep was topped out.
1608 map — the year of Sunpu Castle Keep Is Topped Out1610
Completion of Sunpu Castle Tenshu
The main enclosure of Sunpu Castle, destroyed in a fire in Keichō 12, was rebuilt, and the tenshu (tower keep) was completed in Keichō 15.
1610 map — the year of Completion of Sunpu Castle Tenshu1612
3/21Okamoto Daihachi Incident
Okamoto Daihachi exploited Arima Harunobu's desire to recover his former lands as a reward for his role in the Portuguese ship incident of Keichō 14. Daihachi falsely promised to mediate the recovery using a forged vermillion seal document, obtaining a large bribe from Harunobu. When the fraud was discovered, Daihachi was executed by fire and Harunobu was stripped of his domain, exiled, and eventually put to death.
1612 map — the year of Okamoto Daihachi Incident1613
4/25Okubo Nagayasu Incident
Following Okubo Nagayasu's death in Sunpu, an investigation of his subordinates revealed illicit wealth accumulation. Seven of his sons were ordered to commit seppuku, and the Okubo clan was extinguished.
1613 map — the year of Okubo Nagayasu Incident1616
4/17Death of Tokugawa Ieyasu at Sunpu Castle
Tokugawa Ieyasu, who had directed national politics as ōgosho, died at Sunpu Castle at the age of 75. By his will his remains were buried at Kunōzan, and the dual structure of Sunpu and Edo was consolidated under Hidetada.
1616 map — the year of Death of Tokugawa Ieyasu at Sunpu CastleAdvertisement